In Xpdf 4.05 (and earlier), very large coordinates in a page box can cause an integer overflow and divide-by-zero.

Out-of-bounds array write in Xpdf 4.05 and earlier, triggered by negative object number in indirect reference in the input PDF file.

In Xpdf 4.05 (and earlier), a PDF object loop in an object stream leads to infinite recursion and a stack overflow.

In Xpdf 4.05 (and earlier), a PDF object loop in the attachments leads to infinite recursion and a stack overflow.

Out-of-bounds array write in Xpdf 4.05 and earlier, triggered by long Unicode sequence in ActualText.

In Xpdf 4.05 (and earlier), a PDF object loop in a pattern resource leads to infinite recursion and a stack overflow.